After a stint in HBO's "Eastbound & Down," rocker Marilyn Manson is set to join "Sons of Anarchy" Season 7 music line up, including SAMCRO's matriarch Gemma Teller Morrow played by Katey Sagal.

Without his signature foundation, eyeliner, blue contact lens and dark red lipstick; Marilyn Manson shocked his fans when he appeared in "Eastbound & Down" Season 4 series. The rocker looked like an Average Joe as he dons his light brown wig and sporting a make-up free face.

The 44-year-old performer is known to be a huge fan of the series. "Yeah, Marilyn Manson, he's f----ing obsessed with the show. He goes so far as to dress up like Kenny," says series director David Gordon Green in an interview with MTV News.

"Sons of Anarchy" Season 6 Music

Known for her character as Jax's over-controlling mother, Katey Sagal can be heard crooning regularly in "Sons of Anarchy" Season 1 to 6. Long before she was known as an actress, Sagal used to perform as a backup singer with Tanya Tucker and Bob Dylan, according to Billboard.

"Moon Over Brooklyn" is her first album which was released in 1976 and released two other albums after his debut album. Being married to "Sons of Anarchy" series creator Kurt Sutter has given her opportunities to go back to her first love which is singing and she did a number of cover songs played over several montages in the series.

The show's Season 6 also features Sagal as she take on Jackson Browne's "For a Dancer." Soft and delicate, the actress sounds like she could shatter at any moment as she begins the song with almost a whisper and builds it up to its vulnerable climax.

"I love using Katey's songs on the show. We usually have her cover something, but this season, her cover of 'For a Dancer' was a perfect fit for the opening montage in Episode 610 - sweet, sad and prophetic," says Sutter.

Sagal performed the song with SoA house band the Forest Rangers and the popular track is included in the "Sons of Anarchy" Volume 3 song compilation from the show.